Three-dimensional construction method for copper water stop structure of concrete face rockfill dam

Abstract

The present invention provides a three-dimensional construction method for a copper water stop structure of a concrete face rockfill dam, which relates to the technical field of water conservancy and hydropower engineering. The method includes constructing fully parametric contour templates for the standard section, two-way elbow section, and three-way elbow section of the copper water stop; obtaining characteristic parameters through preset strategies; generating the joint space lines of the horizontal joint of the wave wall and the peripheral joint where the toe slab is connected to the face slab based on the obtained characteristic parameters; calculating the coordinate positions of the intersection points of all joint space lines; generating three-dimensional models of the standard section, two-way elbow section, and three-way elbow section of the copper water stop; completing the classification and statistics of the quantities of the standard section and all elbow sections; and generating construction drawings of the special-shaped joints and standard sections of the copper water stop. The present invention realizes the integrated design of water stop structure modeling, quantity calculation, and drawing, greatly improving the design modeling efficiency and design accuracy.

Description

Technical Field

[0001] The invention relates to the technical field of water conservancy and hydropower engineering, and in particular to a three-dimensional construction method of a copper waterstop structure of a panel rockfill dam. Background Art

[0002] In the upstream anti-seepage system of concrete panel rockfill dam, the toe plate (toe wall), panel, wave-breaking wall and connecting plate in special cases are all concrete structures. In order to ensure that the concrete structure can adapt to the deformation, settlement and temperature deformation of the rockfill body, a water-stop structure needs to be set at the joint of the structure. The wave-breaking wall, toe plate, panel, anti-seepage curtain, anti-seepage wall and joint water-stop structure constitute a closed anti-seepage system. However, due to the effect of water pressure, the main concrete structures such as toe plate and panel are prone to complex deformation, and large structural displacement often occurs between structures. The joint water-stop as a connector of the concrete structure is the weakest link in the anti-seepage design.

[0003] Traditional water-stop structure design often adopts two-dimensional plane design, and describes the shape of the water-stop structure through two-dimensional lines, especially for the peripheral seams between the panel and the toe board and the vertical seams between the panels. This design method is inefficient in drawing the shape of the water-stop structure and the structural details. At the same time, it is difficult to ensure the accuracy of the engineering quantity statistics of the anisotropic water-stop joints, peripheral seams, and vertical seams. At the same time, since the two-dimensional plane is difficult to intuitively show the three-dimensional characteristics of the water-stop structure, it brings certain challenges to the engineering construction and technical disclosure.

[0004] With the rapid development of BIM technology, some units have made preliminary explorations in the three-dimensional design of water-stop structures. They pre-specify the water-stop type, then design the cross-sectional form and size of the water-stop structure at each structural joint, and then input these design information into the three-dimensional design platform for modeling. Although this method pushes the design of water-stop structures into the three-dimensional field, its modeling process is cumbersome and extremely inefficient. Especially in dealing with spatial anisotropic joints, the modeling difficulty increases sharply, seriously affecting the design efficiency. In addition, in terms of automatic quantity calculation, although there is a certain improvement compared with traditional two-dimensional design, the calculation efficiency is still relatively low. At the same time, it lacks systematicity and repeatability, and it is difficult to achieve an integrated process of modeling, quantity calculation and drawing. In view of this, at the moment when the construction of pumped-storage power stations is accelerating, how to greatly improve the systematicity, efficiency, accuracy and repeatability of the three-dimensional design of water-stop structures has become a key problem that needs to be overcome. Summary of the invention

[0005] In view of the problems existing in the prior art, the present invention provides a three-dimensional construction method of the copper water stop structure of a face rockfill dam.

[0006] To achieve the above purpose, the technical solution adopted by the present invention is as follows:

[0007] A three-dimensional construction method for the copper water stop structure of a concrete face rockfill dam includes the following steps: Step S1, construct a general contour template for the standard section of the copper water stop, and construct fully parametric three-dimensional models corresponding to the two-way elbow section and the three-way elbow section of the copper water stop based on the general contour template; Step S2, obtain characteristic parameters through a preset strategy, where the characteristic parameters include the axis of the dam to be built, the toe slab control points, the panel joints, the wave wall structure, and the joint parameters; Step S3, based on the obtained characteristic parameters, calculate the bottom spatial positions of the horizontal joints of the wave wall and the peripheral joints connecting the toe slab and the panel, and generate the joint spatial lines of the horizontal joints of the wave wall and the peripheral joints connecting the toe slab and the panel; Step S4, calculate the intersection position coordinates of all joint spatial lines, automatically judge the elbow type and the type of the copper water stop joint to which each intersection belongs, and classify and label them; Step S5, according to the preset data of the copper water stop parameters, generate three-dimensional models of the standard section, two-way elbow section, and three-way elbow section of the copper water stop by type and elbow form; Step S6, based on the contour templates of various standard sections, three-dimensional models of the two-way elbow section, and three-dimensional models of the three-way elbow section generated in Step S5, classify and count the length attributes of the contour modules of the standard section and the number attributes of the two-way elbow section and the three-way elbow section, and complete the classification and statistics of the quantity of the standard section and all elbow sections; Step S7, perform three-dimensional projection, model sectioning, and three-dimensional perspective processing on the copper water stop of the concrete face rockfill dam, and generate construction drawings of the special-shaped joints and standard sections of the copper water stop by classification.

[0008] Based on the above technical solution, further, in Step S1, the construction process is as follows: Step S11, use three-dimensional modeling software to establish a general parametric contour template for the standard section, and divide the standard section into two types of contour templates, namely the (D, W, F) common type and the V type. Among them, the water stop parameters corresponding to the contour template of the (D, W, F) common type include the unilateral width, the left leg height, the right leg height, the nose height, the nose width, and the nose radius. The water stop parameters corresponding to the contour template of the V type include the water stop width, the bottom angle, the leg height, the nose height, the nose width, and the nose radius. And the insertion points of the (D, W, F) common type and the V type copper water stops are at the intersection of the copper nose center line and the water stop bottom plate; Step S12, based on each water stop parameter and the general contour template in Step S11, establish a fully parametric general three-dimensional model of the (W, F) common type for the two-way elbow section and a fully parametric general three-dimensional model of the (W, F) common type for the three-way elbow section; At the same time, respectively generate parametric contour templates of the (D, W, F) common type and the V type based on the general contour template generated in Step S11, and repeat the generation steps of the fully parametric (W, F) common type of the two-way elbow section and the three-way elbow section until fully parametric full-parameter models of the (V, W) common type, (V, F) common type, and (V, D) common type are generated.

[0009] Based on the above technical solution, further, in step S12, the process of establishing a general three-dimensional model of a fully parametric two-way elbow section is as follows: In addition to the parameters included in the general contour template of the (D, W, F) common standard section parametric in step S11, this two-way elbow section also includes the elbow length and elbow angle parameters. The generation process of the corresponding contour template of this two-way elbow section is: First, according to the contour template of the (D, W, F) common standard section parametric in step S11 and increasing the elbow length by 2m, two standard sections are generated along the guiding line direction based on the parameters for the contour template corresponding to the two-way elbow section. Then, using the angular bisector of the elbow as the boundary line for Boolean operation, the excess parts on both sides are cut off to form an overall three-dimensional model, thereby completing the fully parametric three-dimensional model of the general two-way elbow section of the (W, F) common type. Among them, the elbow insertion point is the intersection point of the guiding lines.

[0010] Based on the above technical solution, further, the process of establishing a general three-dimensional model of a fully parametric three-way elbow section of the (W, F) common type is as follows: Set the initial position and the end position. In addition to the contour template parameters of the (D, W, F) common type in step S11, this three-way elbow section also includes the guiding line angle and the elbow length. Construct a T-shaped guiding line according to the elbow length and the guiding line angle. Generate a model with the intersection of the copper water stop column and the copper nose according to the T-shaped guiding line. Then, cut off the excess parts of the intersecting column and the copper nose. Finally, generate a fully parametric three-dimensional model of the general three-way elbow section of the (W, F) common type. Among them, the intersection point of the T-shaped guiding line is the insertion point of the three-way elbow.

[0011] Based on the above technical solution, further, in step S3, the process includes the following steps: Step S31: Input the three-dimensional coordinates of the dam axis, connect the coordinate points to form a three-dimensional polyline of the spatial dam axis, and set the direction of the three-dimensional polyline of the dam axis. Among them, the right side of the set direction is the upstream face of the concrete face rockfill dam; Step S32: Horizontally offset the three-dimensional polyline of the dam axis by half of the dam crest width along the upstream face direction of the concrete face rockfill dam, and then vertically offset it by the value of △T to obtain the three-dimensional polyline after the dam axis is offset. At this time, the three-dimensional polyline is the horizontal joint of the wave wall, and the three-dimensional polyline is marked; among them, △T is the difference between the dam crest elevation and the elevation of the bottom of the wave wall; Step S33: Input the Y point in the design of the flat toe slab as the control point, input the three-dimensional coordinates of the toe slab control point, and connect the coordinate points to form a spatial three-dimensional polyline. At this time, the spatial three-dimensional polyline is the joint spatial line where the toe slab is respectively connected to the peripheral joint of the concrete face.

[0012] Based on the above technical solution, further, in step S4, the process includes: calculating the characteristic positioning points of the spatial elements of the horizontal joint and the structural joint of the wave wall; calculating the characteristic positioning points of the spatial elements of the tensile joint of the concrete face.

[0013] Based on the above technical solution, furthermore, the calculation process of the feature positioning points of the panel tensile joint space elements is as follows: Step A, calculate the intersection point of the upper part of the panel vertical joint and the horizontal joint of the wave wall; Step B, calculate the intersection point of the lower part of the panel vertical joint and the peripheral joint of the toe slab; Step C, calculate the intersection point of the turning point of the panel tensile joint vertical joint and the toe slab control line.

[0014] Based on the above technical solution, furthermore, the calculation process of Step B is as follows: Step B1, based on the starting coordinates and ending coordinates in the bottom line of the horizontal joint between the wave wall and the panel, calculate the direction vector of the bottom line of the panel horizontal joint; Step B2, calculate the plane equation of the vertical plane, and calculate the intersection points of the vertical plane and each toe slab control line. At the same time, based on the classification and marking in the set VerticalSeam, make it the set NodePoint{Inter1 (tensile joint), Inter2 (compressive joint), …, InterX (tensile joint)}; Step B3, through data screening, select the points classified and marked as compressive joints in the set NodePoint{} in Step B2 to form a new point set CoPPoint{Inter1 (compressive joint), Inter2 (compressive joint), …, InterX (compressive joint)}; Step B4, screen the toe slab control lines to which the points in the set NodePoint{} belong. According to the points in the set NodePoint{}, substitute them into the straight line equations of each section of the toe slab control line composed of each toe slab control point respectively, and finally establish the logical attribution set SeamRelationShip{(Inter1 = Point1(tensile joint)=Y1 - Y2)…} of the points in the set VerticalSeam and the control line.

[0015] Based on the above technical solution, furthermore, the calculation process of Step C is as follows: Step C1, according to the set SeamRelationShip{(Inter1 = Point1(tensile joint)=Y1 - Y2), InterX = PointX(compressive joint)=Y X-1 -Y X...}, classify the tags after the Point point according to tensile joints and compressive joints, and divide them into two sets of tensile joints and compressive joints, namely the OpSeamRelationShip{} set and the PiSeamRelationShip{} set; Step C2, connect each InterX in the set of tensile vertical joints of the connecting panel OpSeamRelationShip{} with the PointX group to form a set of straight line groups AuyLine{Line1, Line2,..., Linex}, and mark the corresponding toe slab control line; Step C3, calculate the included angle between each straight line in the straight line group in Step C2 and the marked toe slab control line, and calculate the included angle group AuxAngle{angle1, angle2...anglex} according to the algorithm for calculating the included angle between two straight lines; Step C4, according to the rotation angle length LenghtL of the tensile joint of the connecting panel perpendicular to the toe slab control line manually input by the user and the included angle group AuxAngle{} in Step C3, calculate the extension length Leb1 of the Inter point of the tensile joint set OpSeamRelationShip along the straight line group AuyLine{} and the extension length Leb2 on the corresponding toe slab control line respectively according to the values of LenghtL / Sin(AuxAngle) and LenghtL / Tan(AuxAngle), calculate the set of spatial point coordinates YSInterSection{ExPointX...} after extension and the set of spatial point coordinates SJ InterSection{IndPointX...} of the indented point. Each point in this set YSInterSection{} is the insertion point of the W-shaped elbow, and each point in this set SJInterSection{} is the insertion point of the (W, F)-type three-way elbow section.

[0016] Based on the above technical solution, further, in Step S5, Step S51, input the parameters of the parametric profile template of the standard section; input the length parameters of the F-type and W-type two-way elbow sections; input the elbow length parameters of the (V, W) common type, (V, F) common type, and (V, D) common type three-way elbow sections; calculate the spatial position coordinates of the standard section of each waterstop type according to the set elbow lengths of the two-way elbow and the three-way elbow; Step S52, generate the copper waterstop standard section, two-way elbow section, and three-way elbow section at the corresponding positions of the standard section, two-way elbow section, and three-way elbow section according to the parameters set in Step S51.

[0017] Compared with the prior art, the present invention has the following beneficial effects:

[0018] The present invention realizes the process design of the water stop structure through the relationship between the cross-section parameters of the water stop structure and the position of the structural joint and the intersection space, reduces the difficulty of three-dimensional design and modeling of the water stop, improves the efficiency of water stop design, makes up for the problems of difficult three-dimensional design modeling, poor systematicness and low repeatability in the traditional design, realizes the integrated design of water stop structure modeling, quantity calculation and drawing, and greatly improves the design modeling efficiency and design accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the process steps of the three-dimensional design method of the copper water stop structure of the present invention;

[0020] Figure 2 It is a schematic diagram of the parameter of the shared parametric profile template of the standard section (D, W, F) in the copper water stop structure of the present invention;

[0021] Figure 3 It is a schematic diagram of the parameter of the V-shaped parametric profile template of the standard section in the copper water stop structure of the present invention;

[0022] Figure 4 It is a schematic diagram of the fully parametric three-dimensional model of the common universal two-way elbow of the copper water stop structure (W, F) of the present invention;

[0023] Figure 5 It is a schematic diagram of the fully parametric three-dimensional model of the common universal three-way elbow of the copper water stop structure (W, F) of the present invention;

[0024] Figure 6 It is a schematic diagram of the common universal fully parametric three-way model of the copper water stop structure (V, W), (V, F) and (V, D) of the present invention;

[0025] Figure 7 It is a schematic diagram of the three-dimensional model of the copper water stop structure of the entire concrete face rockfill dam created by the present invention;

[0026] Figure 8 For the present invention Figure 7 The corresponding partial enlarged schematic diagram of part A of the copper water stop structure of the entire concrete face rockfill dam created. DETAILED DESCRIPTION OF THE INVENTION

[0027] The present invention will be further described and explained below in conjunction with the drawings and specific embodiments. The technical features of each embodiment of the present invention can be combined correspondingly without conflict.

[0028] To make the above objects, features, and advantages of the present invention more apparent and understandable, the following provides a detailed description of the specific embodiments of the present invention with reference to the accompanying drawings. Many specific details are set forth in the following description to facilitate a full understanding of the present invention. However, the present invention can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without departing from the spirit of the present invention. Therefore, the present invention is not limited by the specific embodiments disclosed below. The technical features in various embodiments of the present invention can be combined correspondingly without conflict.

[0029] Embodiment

[0030] Combined with Figures 1-8 As shown, this embodiment provides a three-dimensional construction method for the copper water stop structure of a concrete face rockfill dam. Among them, Figure 2 In it, H represents the insertion point, H1 represents the height of the left column, H2 represents the unilateral width, H3 represents the height of the nose, H4 represents the width of the nose, H5 represents the radius of the nose, and H6 represents the bottom angle.

[0031] Specifically, it includes the following steps:

[0032] Step S1: Construct a general contour template for the standard section of the copper water stop, and construct fully parameterized three-dimensional models corresponding to the two-way elbow section and the three-way elbow section of the copper water stop based on the general contour template. It should be noted that this contour template is a general template, which is used for subsequent users to generate the required unique models based on the project characteristics and set parameters.

[0033] Step S11: Use three-dimensional modeling software to establish a general parameterized contour template for the standard section, and divide the standard section into two types of contour templates, namely the (D, W, F) shared type and the V type. Among them, the water stop parameters corresponding to the (D, W, F) shared type of contour template include unilateral width, left leg height, right leg height, nose height, nose width, and nose radius. The water stop parameters corresponding to the V type of contour template include water stop width, bottom angle, leg height, nose height, nose width, and nose radius. And the insertion point of the (D, W, F) shared type and V type copper water stops is the intersection of the copper nose center line and the water stop bottom plate. It should be noted that the three-dimensional modeling software can be selected as Autodesk Civil3D, etc.

[0034] Step S12: Based on each water stop parameter and the general profile template in Step S11, establish a fully parametric (W, F) shared general fully parametric 3D model for the two-way elbow section and a fully parametric (W, F) shared general fully parametric 3D model for the three-way elbow section. At the same time, respectively generate a parametric profile template for the (D, W, F) shared type and the V-shaped standard section based on the general profile template generated in Step S11, and repeat the generation steps for the fully parametric (W, F) shared type of the two-way elbow section and the three-way elbow section until a general fully parametric model of the (V, W) shared type, (V, F) shared type, and (V, D) shared type is generated.

[0035] In this embodiment, the process of the fully parametric general 3D model of the two-way elbow section is as follows: In addition to the parameters included in the standard section parametric general profile template of the (D, W, F) shared type in Step S11, this two-way elbow section also includes the elbow length and elbow angle parameters. The generation process of the corresponding profile template of this two-way elbow section is: First, according to the standard section parametric profile template of the (D, W, F) shared type in Step S11 and increasing the elbow length by 2m, use the "sweeping" function according to the above preset parameters to generate two standard sections along the guiding line direction for the profile template corresponding to the two-way elbow section, and then use the angle bisector of the elbow as the boundary line for Boolean operation to cut off the excess parts on both sides to form the overall 3D model, thereby completing the fully parametric 3D model of the general two-way elbow section of the (W, F) shared type, where the elbow insertion point is the intersection point of the guiding lines.

[0036] In this embodiment, the process of the fully parametric (W, F) shared general 3D model of the three-way elbow section is as follows: Set the initial position P1 and the termination position P2. In addition to the parameters of the (D, W, F) shared profile template in Step S11, this three-way elbow section also includes the guiding line angle and the elbow length. Construct a T-shaped guiding line according to the elbow length and the guiding line angle, and repeat the "sweeping" function operation according to the T-shaped guiding line to generate a model with the intersection of the copper water stop column and the copper nose. Then use the "hollow" stretching function to cut off the excess parts of the intersecting column and the copper nose, and finally generate the fully parametric 3D model of the general three-way elbow section of the (W, F) shared type, where the intersection point of the T-shaped guiding line is the insertion point of the three-way elbow.

[0037] In this embodiment, the generation process of the fully parameterized 3D model of the (V, W) shared type is as follows: Set the parameters of the V-shaped water stop as the unilateral width of 18 cm, the bottom included angle of 144°, the nose height of 6 cm, the nose width of 1.5 cm, the nose radius of 0.75 cm, and the elbow length of 60 cm. Set the parameters of the W-shaped water stop as the unilateral width of 18 cm, the left leg height of 7 cm, the right leg height of 7 cm, the nose height of 6 cm, the nose width of 1.5 cm, the nose radius of 0.75 cm, and the elbow length of 60 cm. Generate the standard section model using the "sweeping" function according to the set parameters. Process the intersection of the V-shaped water stop and the W-shaped water stop. Then, use the hollow stretching shape of the nose width and nose radius to cut off the excess part of the copper nose. Create a hollow stretching shape using the single-layer width parameter and the leg height parameter of the water stop structure, and cut off the column at the intersection of the V-shaped water stop and the W-shaped water stop, so as to generate the fully parameterized 3D model of the (V, W) shared type two-way elbow section and three-way elbow section.

[0038] In this embodiment, the generation process of the fully parameterized 3D model of the (V, F) shared type is as follows: Set the parameters of the V-shaped water stop as the unilateral width of 18 cm, the bottom included angle of 144°, the nose height of 6 cm, the nose width of 1.5 cm, the nose radius of 0.75 cm, and the elbow length of 60 cm. Set the parameters of the F-shaped water stop as the unilateral width of 18 cm, the left leg height of 4 cm, the right leg height of 7 cm, the nose height of 6 cm, the nose width of 1.5 cm, the nose radius of 0.75 cm, and the elbow length of 60 cm. Generate the standard section model using the "sweeping" function according to the set parameters. Process the intersection of the V-shaped water stop and the F-shaped water stop. Then, use the hollow stretching shape of the nose width and nose radius to cut off the excess part of the copper nose. Create a hollow stretching shape using the single-layer width parameter and the leg height parameter of the water stop structure, and cut off the column at the intersection of the V-shaped water stop and the F-shaped water stop, so as to generate the fully parameterized 3D model of the (V, F) shared type two-way elbow section and three-way elbow section.

[0039] In this embodiment, the generation process of the (V, D) shared full-parameter three-dimensional model is as follows: Set the parameters of the V-shaped water stop as the single-side width of 18 cm, the bottom included angle of 144°, the nose height of 6 cm, the nose width of 1.5 cm, the nose radius of 0.75 cm, and the elbow length of 60 cm. Set the parameters of the D-shaped water stop as the single-side width of 18 cm, the left leg height of 0 cm, the right leg height of 0 cm, the nose height of 6 cm, the nose width of 1.5 cm, the nose radius of 0.75 cm, and the elbow length of 60 cm. Generate the standard section model using the "sweeping" function according to the set parameters. Process the intersection of the V-shaped water stop and the D-shaped water stop. Then, use the hollow stretching form of the nose width and nose radius to cut off the excess part of the copper nose. Create a hollow stretching form using the single-layer width of the water stop structure and the leg parameters, and cut off the columns at the intersection of the V-shaped water stop and the D-shaped water stop, so as to generate the full-parameter three-dimensional models of the (V, D) shared two-way elbow section and three-way elbow section.

[0040] Step S2: Obtain the characteristic parameters through a preset strategy. Among them, the characteristic parameters include the axis of the dam to be built, the toe slab control points, the panel joints, the structure of the wave wall, and the joint parameters.

[0041] In this embodiment, the specific method for obtaining the axis of the dam is that the designers and surveyors conduct on-site exploration in depth. According to the topographic and geological conditions of the project area, it is selected through scheme comparison. This method can use the polyline picking function of the 3D software Civil3D to pick up the dam axis.

[0042] In this embodiment, the selection of the toe slab control points needs to comprehensively consider factors such as topographic and geological conditions, smoothness of the route, construction convenience, excavation workload, and layout of surrounding buildings to determine the toe slab control points.

[0043] In this embodiment, the characteristic parameters of the panel joints mainly include the spacing between the tensile vertical joints and the compressive vertical joints of the panel. When selecting, factors such as the topographic and geological characteristics of the dam site, the magnitude of the bottom binding force of the panel caused by the temperature variation range, the uneven settlement of the dam body, and the construction conditions are mainly considered. Usually, the panels near the shore are the areas where tensile stress is concentrated. In order to improve the stress distribution state of the panel, the vertical joints of the panel should adopt different spacings according to the tensile area and the compressive area, and the joint spacing in the tensile area is smaller than that in the compressive area. For projects with narrow river valleys, steep slopes on the shore side, and large annual and daily temperature variation ranges, the joint spacing should be appropriately reduced.

[0044] In this embodiment, the structure and joint parameters of the wave wall are obtained by the designers themselves according to engineering experience through input.

[0045] Step S3: Based on the obtained characteristic parameters, calculate the bottom space positions of the horizontal joints of the wave wall and the peripheral joints where the toe slab is connected to the panel, and generate the joint space lines of the horizontal joints of the wave wall and the peripheral joints where the toe slab is connected to the panel respectively. The specific process includes the following steps:

[0046] Step S31: Input the three-dimensional coordinates of the dam axis, connect the coordinate points into a three-dimensional polyline DamAxis of the spatial dam axis, and manually specify the direction of the three-dimensional polyline DamAxis of the dam axis. Among them, the upstream face of the concrete face rockfill dam is on the right side of the direction of the three-dimensional polyline DamAxis of the dam axis;

[0047] Step S32: Along the upstream face direction of the concrete face rockfill dam, horizontally offset the three-dimensional polyline DamAxis of the dam axis by half of the dam crest width, and then vertically offset it by a value of △T to obtain a three-dimensional polyline sew1 after the dam axis is offset. This three-dimensional polyline sew1 can represent the spatial position of the horizontal joint of the wave wall. At this time, the three-dimensional polyline is the horizontal joint of the wave wall, and the three-dimensional polyline sew1 is marked according to the horizontal joint of the wave wall; among them, the △T is the difference between the dam crest elevation and the elevation of the bottom of the wave wall;

[0048] Step S33: Input the Y point in the design of the flat toe slab as the control point, input the three-dimensional coordinates of the control points of the toe slab, and connect the coordinate points into a three-dimensional polyline TBLine in space. At this time, the three-dimensional polyline TBLine in space is the joint space line of the toe slab connected to the peripheral joints of the panel respectively.

[0049] Step S4: Calculate the intersection position coordinates of all joint space lines, and automatically judge the elbow type and the type of copper water stop joint to which each intersection belongs and classify and mark them; it should be noted that the joint space lines generated in Step S3 are subsets of the joint space lines of the entire concrete face rockfill dam.

[0050] Step S41: Calculate the characteristic positioning points of the spatial elements of the structural joints of the wave wall. The specific calculation process is as follows: Based on the spatial position of the horizontal joint between the wave wall and the panel calculated in Step S32 above, and in combination with the straight line interpolation point algorithm according to the joint spacing of the structural joints of the wave wall, calculate each coordinate point on the three-dimensional polyline sew1 at the bottom of the horizontal joint of the panel for the structural joints of the wave wall, and place them in the set WWHorizontalJoint{Point1, Point2………PointX}. Each point in this set is the insertion point of the common three-way joint of the horizontal joint of the wave wall and the structural joints (V, D) of the wave wall; this insertion point is the positioning point. It should be noted that the horizontal joint of the wave wall is used to generate the standard section, and all spatial lines need to be calculated. At the position of the structural joint of the wave wall, a two-way elbow section or a three-way elbow section is placed.

[0051] Step S42: Calculate the feature positioning points of the spatial elements of the panel tensile joints. In this embodiment, the process of calculating the feature positioning points of the spatial elements of the panel tensile joints includes the following steps:

[0052] Step A: Calculate the intersection point between the upper part of the panel vertical joint and the horizontal joint of the wave wall. Specifically, based on the three-dimensional polyline sew1 at the bottom of the wave wall and the horizontal joint of the panel, the user inputs the spacing of each section of the panel compressive vertical joint and the tensile vertical joint. According to Step S41, calculate each insertion point and place it in the set VerticalSeam{ Point1, Point2…PointX}. Each point in this set is the (V, W) common three-way insertion point of the horizontal joint of the wave wall and the vertical joint of the panel. Classify and mark them according to the types of the tensile vertical joint and the compressive vertical joint, such as VerticalSeam{ Point1 (tensile joint), Point2 (compressive joint)…PointX}. The points in the set VerticalSeam{} are the (V, D) common three-way model insertion points, that is, the finally calculated intersection points.

[0053] Step B: Calculate the intersection point between the lower part of the panel vertical joint and the peripheral joint of the toe slab. Specifically, the calculation process is as follows:

[0054] Step B1: Based on the starting coordinates and ending coordinates in the three-dimensional polyline sew1 at the bottom of the wave wall and the horizontal joint of the panel, use the algorithm of finding the normal vector between two points to calculate the direction vector VectorL1 of the three-dimensional polyline sew1.

[0055] Step B2: Calculate the plane equation of the vertical plane corresponding to each Point spatial point in the set VerticalSeam{} and the direction vector VectorL1. The calculation process follows the general algorithm for calculating the plane equation from the normal vector and the spatial point coordinates, and uses the general algorithm for finding the intersection point of a line and a plane to calculate the intersection points NodePoint{Inter1, Inter2…InterX} of each vertical plane and each toe slab control line, and make them in one-to-one correspondence with the set VerticalSeam{} and, based on the classification and marking in the VerticalSeam set, make them NodePoint{Inter1 (tensile joint), Inter2 (compressive joint)…InterX (tensile joint)}. It should be noted that Inter1 (tensile joint) is a whole, representing a point with attributes.

[0056] Step B3: Through data screening, select the points classified and marked as "compressive joints" from the NodePoint{} set in Step B2 to form a new point set CoPPoint{Inter1 (tensile joint), Inter2 (tensile joint), …, InterX (tensile joint)}. This point set is the insertion point of the peripheral joint and the panel compressive joint (W, F) type tee.

[0057] Step B4: According to the points in the NodePoint{} set, substitute them into the straight-line equations of each section of the toe slab control line formed by the control points of each toe slab. The construction of the straight-line equation is based on the algorithm of finding the straight-line equation from two points. According to the general algorithm for judging whether a point is on a straight line, verify, judge, and classify and calculate the toe slab control lines to which the points in the VerticalSeam set belong, and eliminate the points that are not on any toe slab control line. Finally, establish the logical attribution set SeamRelationShip{(Inter1 = Point1 (tensile joint) = Y1 - Y2) …} of the points in the VerticalSeam set and the control lines. It should be noted that the Y point in the flat toe slab design is used as the control point, and the Y point is the intersection of the panel bottom slab extended to the bottom surface of the toe slab. Obtain the TBPoint set{ } through the user input of the three-dimensional coordinates of each toe slab control point. Each point in the set is the insertion point of the F-type elbow. Connect each control point in the control point set one by one to generate the toe slab control line set TBLine{Y1 - Y2, Y2 - Y3, Y3 - Y4…Yx - 1 - Yx}. This set SeamRelationShip{(Inter1 = Point1 (tensile joint) = Y1 - Y2) …} is the basis for calculating the intersection points of the vertical turning points of the panel tensile joints and the toe slab control lines in Step C. Only by judging the control line to which it belongs can the included angle of the control line be automatically matched.

[0058] Step C: Calculate the intersection points of the vertical joints of the panel tensile joints and the toe slab control lines; specifically, the calculation process is as follows:

[0059] Step C1: According to the set SeamRelationShip{(Inter1 = Point1 (tensile joint) = Y1 - Y2), InterX = PointX (compressive joint) = Y X-1 -Y X ), ……} in Step B4, classify the marks after the Point points according to tensile joints and compressive joints into two sets, namely the OpSeamRelationShip{} set and the PiSeamRelationShip{} set, which are sets of tensile joints and compressive joints respectively;

[0060] Step C2: Pair each InterX in the set of tension vertical seams of the connection panel OpSeamRelationShip{} with the PointX group to form a set of straight line groups AuyLine{Line1, Line2, …Linex}, and mark the corresponding toe slab control lines.

[0061] Step C3: Calculate the included angle between each straight line in the straight line group in Step C2 and the marked toe slab control line. According to the algorithm for calculating the included angle between two straight lines, calculate the included angle group AuxAngle{angle1, angle2…anglex};

[0062] Step C4: Based on the corner length LenghtL of the tension seam of the panel perpendicular to the toe slab control line manually input by the user and the included angle group AuxAngle{} in Step C3, calculate the extension length Leb1 of the Inter points of the tension seam set OpSeamRelationShip along the straight line group AuyLine{} and the extension length Leb2 along the corresponding toe slab control line according to the values of LenghtL / Sin(AuxAngle) and LenghtL / Tan(AuxAngle). According to the general algorithm for the interpolation points of a straight line, calculate the set of spatial point coordinates YSInterSection{ExPointX……} after extension and the set of spatial point coordinates SJInterSection{IndPointX……} of the indented points. Each point in this YSInterSection{} set is the insertion point of the W-shaped elbow, and each point in this SJInterSection{} set is the insertion point of the (W, F) type tee.

[0063] Step S5: Generate three-dimensional models of the standard section, two-way elbow section, and three-way elbow section of the copper waterstop according to the preset data of the copper waterstop parameters, classified by type and elbow form.

[0064] In this embodiment, the process of calculating the characteristic positioning points of the spatial elements of the tension seams of the panel includes the following steps:

[0065] Step S51: Based on the parameterized contour template of the standard section in Step S1, manually input the parameters of the (D, W, F) common type, including the unilateral width, left leg height, right leg height, nose height, nose width, and nose radius. Manually input the parameters of the V-shaped waterstop, such as the waterstop width, bottom included angle, leg height, nose height, nose width, and nose radius. The input data is as follows;

[0066] 1. For the W type: the unilateral width is 18 cm, the left leg height is 7 cm, the right leg height is 7 cm, the nose height is 6 cm, the nose width is 1.5 cm, and the nose radius is 0.75 cm.

[0067] 2. F type: The unilateral width is 18 cm, the height of the left vertical leg is 4 cm, the height of the right vertical leg is 7 cm, the height of the nose is 6 cm, the width of the nose is 1.5 cm, and the radius of the nose is 0.75 cm.

[0068] 3. D type: The unilateral width is 18 cm, the height of the left vertical leg is 0 cm, the height of the right vertical leg is 0 cm, the height of the nose is 6 cm, the width of the nose is 1.5 cm, and the radius of the nose is 0.75 cm.

[0069] 4. V type: The unilateral width is 18 cm, the bottom included angle is 144°, the height of the nose is 6 cm, the width of the nose is 1.5 cm, and the radius of the nose is 0.75 cm.

[0070] Further, manually input the length parameters of the F-type and W-type two-way elbow sections. The length of the two-way elbow is 60 cm, and the remaining parameters of the F-type and W-type two-way elbow sections are the same as those set in step S41.

[0071] Still further, for the (V, W) common type, (V, F) common type, and (V, D) common type three-way elbow sections, the elbow length is manually input as 60 cm, and the remaining parameters are the same as the previously set parameters.

[0072] According to the previously set elbow lengths of the two-way elbow section and the three-way elbow section, calculate the standard section spatial position coordinates of each water stop type. The processes and methods of step C are the same and will not be elaborated here. Finally, calculate the F-type standard section control point set group FXPoint{(Point1, Point2), (Point3, Point4)…(PointX - 1, PointX)}, the W-type standard section control point set group WXPoint{(Point1, Point2), (Point3, Point4)…(PointX - 1, PointX)}, the V-type standard section set group XPoint{(Point1, Point2), (Point3, Point4)…(PointX - 1, PointX)}, and the D-type standard section set group DPoint{(Point1, Point2), (Point3, Point4)…(PointX - 1, PointX)}. At the same time, according to the general algorithm for calculating the direction vector and distance from two coordinate points, mark each point family behind the above marks with the direction vector and distance, forming each set in the form of {(Point1, Point2, VectorL1, Length)}.

[0073] Step S52: According to the parameters set in step S51, generate copper water stops for the standard section, two-way elbow, and three-way elbow at the corresponding positions. Specifically, the classification and generation process of step S55 includes the following steps:

[0074] Step a, generation of various standard segments: Based on the coordinate sets FXPoint{}, WXPoint{}, XPoint{} and DPoint{} of various control points determined in step S52, match the standard segment parameter templates of the corresponding types. According to the cross-section, normal vector and distance generated by the three-dimensional entity, use the "extrusion" function to generate the three-dimensional models of the standard segments by segment and by type, and mark the copper waterstop types to which the three-dimensional models belong.

[0075] Step b, at various intersection points set according to the parameters set in step S51 and calculated in step S3, generate the three-dimensional models of the two-way elbow segments and three-way elbow segments by classification.

[0076] Step b-1, automatically generate and place F-type elbows at the positions of the points in the set TBPoint{}, and generate and place W-type elbows at the positions of the points in the set YSInterSection{};

[0077] Step b-2, automatically generate and place (W, F)-type three-way elbows at the positions of the points in the sets CoPPoint{} and SJInterSection{}, at the positions of the points in the set SJInterSection{}, at the positions of the points in the set VerticalSeam{}, automatically generate and place (V, W)-type shared three-way elbow segments, and at the positions of the points in the set WWHorizontalJoint{}, automatically generate and place (V, D)-type shared three-way elbow segments.

[0078] Step c, based on the panel normal vector, according to the matrix transformation algorithm, adjust the spatial directions of the two-way elbow segments and three-way elbow segments to transform them into the three-dimensional models of the two-way elbow segments and three-way elbow segments that are the same as the panel, and classify and mark the generated three-dimensional models of the two-way elbow segments and three-way elbow segments.

[0079] Step S6, based on the contour templates of various standard segments, the three-dimensional models of the two-way elbow segments, and the three-dimensional models of the three-way elbow segments generated in step S5, classify and count the length attributes of the contour modules of the standard segments and the number attributes of the two-way elbow segments and three-way elbow segments, and complete the classification and statistics of the quantities of the standard segments and all elbow segments.

[0080] Step S7, perform stereoscopic projection, model sectioning and three-dimensional perspective processing on the copper waterstop of the concrete face rockfill dam, and generate the construction drawings of the copper waterstop special joints and standard segments by classification.

[0081] Finally, it should be noted that the above content is only used to illustrate the technical solution of the present invention, rather than a limitation on the protection scope of the present invention. Any simple modification or equivalent replacement made by those of ordinary skill in the art to the technical solution of the present invention shall not depart from the essence and scope of the technical solution of the present invention.

Claims

1. A three-dimensional construction method for the copper water stop structure of a concrete face rockfill dam, characterized in that, It includes the following steps: Step S1: Construct a general profile template for the standard section of the copper water stop, and based on the general profile template, construct fully parameterized 3D models corresponding to the two-way elbow section and the three-way elbow section of the copper water stop respectively; Step S2: Obtain characteristic parameters through a preset strategy, where the characteristic parameters include the axis of the dam to be built, the toe slab control points, the panel joints, the wave wall structure, and the joint parameters; Step S3: Based on the obtained characteristic parameters, calculate the bottom spatial positions of the horizontal joints of the wave wall and the peripheral joints connecting the toe slab and the panel, and generate the joint space lines of the horizontal joints of the wave wall and the peripheral joints connecting the toe slab and the panel; Step S4: Calculate the intersection position coordinates of all joint space lines, automatically judge the elbow type and the type of the copper water stop joint to which each intersection belongs, and classify and label them; Step S5: According to the preset data of the copper water stop parameters, generate 3D models of the standard section, two-way elbow section, and three-way elbow section of the copper water stop by type and elbow form; Step S6: Based on the profile templates of various standard sections, the 3D models of the two-way elbow section, and the 3D models of the three-way elbow section generated in Step S5, classify and count the length attributes of the profile modules of the standard section and the number attributes of the two-way elbow section and the three-way elbow section, and complete the classification and statistics of the quantities of the standard section and all elbow sections; Step S7: Perform three-dimensional projection, model sectioning, and three-dimensional perspective processing on the copper water stop of the concrete face rockfill dam, and generate construction drawings of the special-shaped joints and standard sections of the copper water stop by classification; 2. The three-dimensional construction method of the copper water stop structure of the concrete face rockfill dam according to claim 1, characterized in that In Step S1, the construction process is as follows: Step S11: Use 3D modeling software to establish a general parameterized profile template for the standard section, and divide the standard section into two types of profile templates, namely the (D, W, F) common type and the V type. Among them, the water stop parameters corresponding to the profile template of the (D, W, F) common type include the unilateral width, the left leg height, the right leg height, the nose height, the nose width, and the nose radius. The water stop parameters corresponding to the profile template of the V type include the water stop width, the bottom angle, the leg height, the nose height, the nose width, and the nose radius. And the insertion points of the (D, W, F) common type and the V type of copper water stops are at the intersection of the copper nose center line and the water stop bottom plate; Step S12: Based on each water stop parameter and the general profile template in Step S11, establish a fully parameterized general 3D model of the (W, F) common type for the two-way elbow section and a fully parameterized general 3D model of the (W, F) common type for the three-way elbow section; At the same time, based on the general profile templates generated in Step S11, generate parameterized profile templates of the (D, W, F) common type and the V type for the standard section, and repeat the generation steps of the fully parameterized (W, F) common type of the two-way elbow section and the three-way elbow section until fully parameterized fully parameter models of the (V, W) common type, the (V, F) common type, and the (V, D) common type are generated.

3. A three-dimensional construction method for a copper water stop structure of a concrete face rockfill dam according to claim 2, characterized in that, In step S12, the process of establishing a general 3D model with full parameterization for the two-way elbow section is as follows: In addition to the parameters included in the common standard section parameterized contour template of (D, W, F) in step S11, this two-way elbow section also includes the elbow length and elbow angle parameters. The generation process of the corresponding contour template for this two-way elbow section is: First, based on the common standard section parameterized contour template of (D, W, F) in step S11 and adding an elbow length of 2m, two standard sections are generated along the guiding line direction for the contour template corresponding to the two-way elbow section. Then, using the angular bisector of the elbow as the boundary line for Boolean operation, the excess parts on both sides are cut off to form an overall 3D model, thereby completing the full parameterization 3D model of the general two-way elbow section of the (W, F) common type. Among them, the elbow insertion point is the intersection point of the guiding lines.

4. The three-dimensional construction method of a copper water stop structure for a concrete face rockfill dam according to claim 2, characterized in that, In step S12, the process of establishing a general 3D model with full parameterization for the three-way elbow section of the (W, F) common type is as follows: Set the initial position and the end position. In addition to the contour template parameters of the (D, W, F) common type in step S11, this three-way elbow section also includes the guiding line angle and the elbow length. Construct a T-shaped guiding line according to the elbow length and the guiding line angle. Generate a model with the intersection of the copper water stop column and the copper nose according to the T-shaped guiding line. Then, cut off the excess parts of the intersecting column and the copper nose. Finally, generate a full parameterization 3D model of the general three-way elbow section of the (W, F) common type. Among them, the intersection point of the T-shaped guiding line is the insertion point of the three-way elbow.

5. A three-dimensional construction method for a copper water stop structure of a concrete face rockfill dam according to claim 1, characterized in that, In step S3, the process includes the following steps: Step S31: Input the 3D coordinates of the dam axis, connect the coordinate points to form a 3D polyline of the spatial dam axis, and set the direction of the 3D polyline of the dam axis. Among them, the right side of the set direction is the upstream face of the concrete face rockfill dam. Step S32: Horizontally offset the 3D polyline of the dam axis by half of the dam crest width along the upstream face direction of the concrete face rockfill dam, and then vertically offset it by the value of △T to obtain the 3D polyline after the dam axis offset. At this time, the 3D polyline is the horizontal joint of the wave wall, and the 3D polyline is marked. Among them, △T is the difference between the dam crest elevation and the elevation of the bottom of the wave wall. Step S33: Input point Y in the design of the flat toe slab as the control point, input the 3D coordinates of the toe slab control point, and connect the coordinate points to form a 3D polyline in space. At this time, the 3D polyline in space is the joint space line where the toe slab is respectively connected to the peripheral joint of the concrete face.

6. The three-dimensional construction method of a copper water stop structure for a concrete face rockfill dam according to claim 1, characterized in that In step S4, the process includes: Calculate the characteristic positioning points of the spatial elements of the structural joints of the wave wall. Calculate the characteristic positioning points of the spatial elements of the tensile joints of the concrete face.

7. The three-dimensional construction method of a copper water stop structure for a concrete face rockfill dam according to claim 6, characterized in that, The calculation process of the characteristic positioning points of the spatial elements of the tensile joints of the concrete face in step S4 is as follows: Step A: Calculate the intersection point of the upper part of the vertical joint of the concrete face and the horizontal joint of the wave wall. Step B: Calculate the intersection point of the lower part of the vertical joint of the concrete face and the peripheral joint of the toe slab. Step C: Calculate the turning point of the vertical joint of the tensile joint of the concrete face and the intersection point of the toe slab control line.

8. A three-dimensional construction method for the copper water stop structure of a concrete face rockfill dam according to claim 7, characterized in that The calculation process of step B is as follows: Step B1: Based on the starting coordinate and the ending coordinate in the bottom line of the horizontal joint between the wave wall and the concrete face, calculate the direction vector of the bottom line of the horizontal joint of the concrete face. Step B2: Calculate the plane equation of the vertical plane, and calculate the intersection points of the plumb plane and each toe slab control line. At the same time, based on the classification and marking in the set VerticalSeam, make it the set NodePoint{Inter1 (tensile joint), Inter2 (compressive joint), …, InterX (tensile joint)}; Step B3: Through data screening, select the points classified and marked as compressive joints in the set NodePoint{} in Step B2 to form a new point set CoPPoint{Inter1 (compressive joint), Inter2 (compressive joint), …, InterX (compressive joint)}; Step B4: Screen the toe slab control lines to which the points in the set NodePoint{} belong. According to the points in the set NodePoint{}, substitute them into the straight-line equations of each section of the toe slab control lines formed by each toe slab control point respectively. Finally, establish the logical attribution set SeamRelationShip of the points in the set VerticalSeam and the control lines{(Inter1 = Point1 (tensile joint) = Y1 - Y2)…}; 9. The three-dimensional construction method of a copper water stop structure for a concrete face rockfill dam according to claim 8, characterized in that The calculation process of Step C is as follows: Step C1. According to the set SeamRelationShip in Step B4 { (Inter1 = Point1 (tensile seam) = Y1 - Y2), InterX = PointX (compressive seam) = Y X-1 -Y X )...}, classify the tags after the Point point according to tensile seams and compressive seams, and divide them into two sets based on tensile seams and compressive seams, namely the OpSeamRelationShip{} set and the PiSeamRelationShip{} set; Step C2: Connect each InterX and PointX pair in the set of panel tensile vertical joints OpSeamRelationShip{} to form a set of straight-line groups AuyLine{Line1, Line2, …, Linex}, and mark the corresponding toe slab control lines; Step C3: Calculate the included angle between each straight line in the straight-line group in Step C2 and the marked toe slab control line. According to the algorithm for calculating the included angle between two straight lines, calculate the included angle group AuxAngle{angle1, angle2…anglex}; Step C4: According to the rotation angle length LenghtL of the panel tensile joint perpendicular to the toe slab control line manually input by the user and the included angle group AuxAngle{} in Step C3, calculate the extension length Leb1 of the Inter point of the tensile joint set OpSeamRelationShip along the straight-line group AuyLine{} and the extension length Leb2 along the corresponding toe slab control line respectively according to the values of LenghtL / Sin(AuxAngle) and LenghtL / Tan(AuxAngle). Calculate the spatial point coordinate set YSInterSection{ExPointX…} after extension and the spatial point coordinate set SJInterSection{IndPointX…} of the indented points. Each point in this set YSInterSection{} is the insertion point of the W-shaped elbow, and each point in this set SJInterSection{} is the insertion point of the (W, F)-type tee elbow section.

10. The three-dimensional construction method of a copper water stop structure for a concrete face rockfill dam according to claim 2, characterized in that In Step S5, the generation process includes the following steps: Step S51: Input the parameters of the contour template with parameterized standard segments; input the length parameters of the F-type and W-type two-way elbow segments; input the elbow length parameters of the (V, W) common type, (V, F) common type, and (V, D) common type three-way elbow segments; calculate the spatial position coordinates of the standard segment for each water stop type according to the set elbow lengths of the two-way elbow and the three-way elbow. Step S52: Generate the copper water stop standard segments, two-way elbow segments, and three-way elbow segments at the corresponding positions of the standard segments, two-way elbow segments, and three-way elbow segments according to the parameters set in Step S51.

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